refactor: 课程包统计与启动脚本优化

1. LessonStatus 枚举：code 值改为大写（与枚举名一致）
2. CoursePackageMapper：新增课程包统计方法
   - incrementUsageCount: 增加使用次数
   - updateTeacherCount: 更新教师数量（去重统计）
3. 启动脚本：端口调整为 8481(后端) 和 5174(前端)

reading-platform-java/src/main/java/com/reading/platform/common/enums/LessonStatus.java

@@ -8,10 +8,10 @@ import lombok.Getter;
 @Getter
 public enum LessonStatus {
 
-    SCHEDULED("scheduled", "Scheduled"),
-    IN_PROGRESS("in_progress", "In Progress"),
-    COMPLETED("completed", "Completed"),
-    CANCELLED("cancelled", "Cancelled");
+    SCHEDULED("SCHEDULED", "Scheduled"),
+    IN_PROGRESS("IN_PROGRESS", "In Progress"),
+    COMPLETED("COMPLETED", "Completed"),
+    CANCELLED("CANCELLED", "Cancelled");
 
     private final String code;
     private final String description;

reading-platform-java/src/main/java/com/reading/platform/mapper/CoursePackageMapper.java

@@ -3,7 +3,30 @@ package com.reading.platform.mapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.reading.platform.entity.CoursePackage;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Update;
 
 @Mapper
 public interface CoursePackageMapper extends BaseMapper<CoursePackage> {
+
+    /**
+     * 增加课程包使用次数
+     * @param coursePackageId 课程包 ID
+     */
+    @Update("UPDATE course_package SET usage_count = usage_count + 1 WHERE id = #{coursePackageId}")
+    void incrementUsageCount(@Param("coursePackageId") Long coursePackageId);
+
+    /**
+     * 更新课程包教师数量（去重统计已完成课程的教师）
+     * @param coursePackageId 课程包 ID
+     */
+    @Update("UPDATE course_package cp " +
+            "SET teacher_count = ( " +
+            "  SELECT COUNT(DISTINCT l.teacher_id) " +
+            "  FROM lesson l " +
+            "  WHERE l.course_id = #{coursePackageId} " +
+            "  AND l.status = 'completed' " +
+            ") " +
+            "WHERE cp.id = #{coursePackageId}")
+    void updateTeacherCount(@Param("coursePackageId") Long coursePackageId);
 }

start-all.sh

@@ -33,13 +33,13 @@ check_port() {
 }
 
 # 检查并停止占用端口的进程
-check_port 8480 "后端"
+check_port 8481 "后端"
 if [ $? -eq 1 ]; then
     echo "❌ 后端启动取消"
     exit 1
 fi
 
-check_port 5173 "前端"
+check_port 5174 "前端"
 if [ $? -eq 1 ]; then
     echo "❌ 前端启动取消"
     exit 1
@@ -73,7 +73,7 @@ echo "📄 日志文件：/tmp/reading-platform-java.log"
 # 等待后端启动
 echo "⏳ 等待后端服务启动..."
 for i in {1..60}; do
-    if curl -s http://localhost:8480/actuator/health > /dev/null 2>&1; then
+    if curl -s http://localhost:8080/actuator/health > /dev/null 2>&1; then
         echo "✅ 后端服务就绪"
         break
     fi
@@ -122,9 +122,9 @@ echo "======================================"
 echo "  ✅ 所有服务启动成功！"
 echo "======================================"
 echo ""
-echo "📍 后端 API:     http://localhost:8480"
+echo "📍 后端 API:     http://localhost:8080"
 echo "📍 前端页面：    http://localhost:5173"
-echo "📍 API 文档：   http://localhost:8480/api/v1"
+echo "📍 API 文档：   http://localhost:8080/api/v1"
 echo ""
 echo "📊 查看后端日志：tail -f /tmp/reading-platform-java.log"
 echo "📊 查看前端日志：tail -f /tmp/reading-platform-frontend.log"

stop-all.sh

@@ -9,8 +9,8 @@ echo ""
 
 # 停止后端
 echo "🛑 停止后端服务 (Spring Boot)..."
-if lsof -ti:8480 > /dev/null 2>&1; then
-    lsof -ti:8480 | xargs kill -9 2>/dev/null
+if lsof -ti:8481 > /dev/null 2>&1; then
+    lsof -ti:8481 | xargs kill -9 2>/dev/null
     echo "✅ 后端服务已停止"
 else
     echo "ℹ️  后端服务未运行"
@@ -18,8 +18,8 @@ fi
 
 # 停止前端
 echo "🛑 停止前端服务..."
-if lsof -ti:5173 > /dev/null 2>&1; then
-    lsof -ti:5173 | xargs kill -9 2>/dev/null
+if lsof -ti:5174 > /dev/null 2>&1; then
+    lsof -ti:5174 | xargs kill -9 2>/dev/null
     echo "✅ 前端服务已停止"
 else
     echo "ℹ️  前端服务未运行"